Datasheet LTC4126-10 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 10mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter |
| 页数 / 页 | 22 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 2.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Charge Voltage vs Temperature
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LTC4126-10
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Charge Voltage vs Temperature Charge Voltage vs Temperature Charge Current vs Battery Voltage (VSEL = 5V) (VSEL = 0V)
12 4.23 4.13 VCC = 5V VCC = 5V VCC = 5V 4.22 4.12 10 4.21 4.11 8 4.20 4.10 TAGE (V) (mA) 6 4.19 4.09 TAGE (V) I CHRG 4.18 VOL 4.08 4 CHARGE VOL 4.17 4.07 2 V 4.16 4.06 SEL= 0V VSEL= 5V 0 4.15 4.05 2.7 3 3.3 3.6 3.9 4.2 4.5 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 VBAT (V) TEMPERATURE (°C) TEMPERATURE (°C) 4126-10 G01 4126-10 G02 4126-10 G03
Charge Current vs VCC-to-VBAT Li-Ion Battery Charge Profile Differential Voltage Charge Current vs Temperature
12.0 4.3 10 11.0 VBAT = 3.8V VCC = 5V 9 10.8 VBAT = 3.8V 10.0 4.2 8 10.6 7 10.4 8.0 CHARGE CURRENT 4.1 BATTERY VOLTAGE V 6 10.2 BAT 6.0 4.0 (V) 5 10.0 4 9.8 CURRENT (mA) 4.0 3.9 3 9.6 CHARGE CURRENT (mA) CHARGE CURRENT (mA) 2 9.4 2.0 3.8 VCC = 5V 1 9.2 VSEL = 5V 0 3.7 0 9.0 0 30 60 90 120 150 180 210 0 50 100 150 200 250 –20 –5 10 25 40 55 70 85 TIME (MIN) VCC–VBAT (mV) TEMPERATURE (°C) 4126-10 G04 4126-10 G05 4126-10 G06
VCC Quiescent Current vs ACIN and VCC Waveform when CHRG Pin Current vs Temperature Temperature Shunt Active
310 54 10 VCC = 5V VCC V 305 BAT = 4.5V ACIN NTC ENABLED 52 6 300 295 50 2 ) (µA) 290 CC TAGE (V) I(V 48 –2 285 VOL CURRENT (µA) 280 V 46 –6 CC = 5V 275 CHARGING DONE CHRG PIN PULLED UP TO 5V 270 44 –10 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 TIME (100µs/DIV) TEMPERATURE (°C) TEMPERATURE (°C) 4126-10 G09 4126-10 G07 4126-10 G08 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Charge Voltage vs Temperature Charge Voltage vs Temperature Charge Current vs Battery Voltage (VSEL = 5V) (VSEL = 0V)
12 4.23 4.13 VCC = 5V VCC = 5V VCC = 5V 4.22 4.12 10 4.21 4.11 8 4.20 4.10 TAGE (V) (mA) 6 4.19 4.09 TAGE (V) I CHRG 4.18 VOL 4.08 4 CHARGE VOL 4.17 4.07 2 V 4.16 4.06 SEL= 0V VSEL= 5V 0 4.15 4.05 2.7 3 3.3 3.6 3.9 4.2 4.5 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 VBAT (V) TEMPERATURE (°C) TEMPERATURE (°C) 4126-10 G01 4126-10 G02 4126-10 G03
Charge Current vs VCC-to-VBAT Li-Ion Battery Charge Profile Differential Voltage Charge Current vs Temperature
12.0 4.3 10 11.0 VBAT = 3.8V VCC = 5V 9 10.8 VBAT = 3.8V 10.0 4.2 8 10.6 7 10.4 8.0 CHARGE CURRENT 4.1 BATTERY VOLTAGE V 6 10.2 BAT 6.0 4.0 (V) 5 10.0 4 9.8 CURRENT (mA) 4.0 3.9 3 9.6 CHARGE CURRENT (mA) CHARGE CURRENT (mA) 2 9.4 2.0 3.8 VCC = 5V 1 9.2 VSEL = 5V 0 3.7 0 9.0 0 30 60 90 120 150 180 210 0 50 100 150 200 250 –20 –5 10 25 40 55 70 85 TIME (MIN) VCC–VBAT (mV) TEMPERATURE (°C) 4126-10 G04 4126-10 G05 4126-10 G06
VCC Quiescent Current vs ACIN and VCC Waveform when CHRG Pin Current vs Temperature Temperature Shunt Active
310 54 10 VCC = 5V VCC V 305 BAT = 4.5V ACIN NTC ENABLED 52 6 300 295 50 2 ) (µA) 290 CC TAGE (V) I(V 48 –2 285 VOL CURRENT (µA) 280 V 46 –6 CC = 5V 275 CHARGING DONE CHRG PIN PULLED UP TO 5V 270 44 –10 –20 –5 10 25 40 55 70 85 –20 –5 10 25 40 55 70 85 TIME (100µs/DIV) TEMPERATURE (°C) TEMPERATURE (°C) 4126-10 G09 4126-10 G07 4126-10 G08 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts